Don't think this has been posted yet ... but after that Digimon NEXT Adoptable site shut down, I found a new, semi-identical one available now! Digimon Delta
Not the same Digimon animated gifs from the last site, but it looks pretty okay, imo.
If it blanks out to saying there's a server/traffic error, just refresh the page.
Shameless promoting. Click? XD
Anyone know of more adoptable pages?